Home / 3,578,137.72-5,366,603.94-1,019,172.76

Finding the Fourth Proportional to 3,578,137.72, 5,366,603.94 and 1,019,172.76

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Solution

The fourth proportional to 3,578,137.72, 5,366,603.94 and 1,019,172.76 is: 1,528,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,137.72 : 5,366,603.94 = 1,019,172.76 : x
  2. Step 2: Convert to fraction form
    3,578,137.72/5,366,603.94 = 1,019,172.76/x
  3. Step 3: Cross multiply
    3,578,137.72x = 5,366,603.94 × 1,019,172.76
  4. Step 4: Simplify right side
    3,578,137.72x = 5,469,496,549,356.68
  5. Step 5: Solve for x
    x = 5,469,496,549,356.68/3,578,137.72
  6. Step 6: Final answer
    x = 1,528,587.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.